56216135 has 8 divisors (see below), whose sum is σ = 69282816. Its totient is φ = 43757280.

The previous prime is 56216131. The next prime is 56216137. The reversal of 56216135 is 53161265.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 56216135 - 2² = 56216131 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56216098 and 56216107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56216131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151751 + ... + 152120.

It is an arithmetic number, because the mean of its divisors is an integer number (8660352).

Almost surely, 2^56216135 is an apocalyptic number.

56216135 is a deficient number, since it is larger than the sum of its proper divisors (13066681).

56216135 is a wasteful number, since it uses less digits than its factorization.

56216135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303913.

The product of its digits is 5400, while the sum is 29.

The square root of 56216135 is about 7497.7419934271. The cubic root of 56216135 is about 383.0778087047.

The spelling of 56216135 in words is "fifty-six million, two hundred sixteen thousand, one hundred thirty-five".